null-transfer.html | Explore in Territory

<!doctype html>
<title>null transfer</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function(t) {
  assert_throws_js(TypeError, () => postMessage('', {transfer: null}));
});
</script>

chromium/third_party/blink/web_tests/external/wpt/webmessaging/with-options/null-transfer.html